線上軟體交付 OSD DINGE ZU WISSEN, BEVOR SIE KAUFEN

I haven't found any sources about this, so the following is just my hypothesis based on the information I could find, and what I already knew.My suspicion is that because the OSD chip rein the FC effectively receives a different signal than the camera sent (because of a difference in potential between the two grounds*), it can miss sync pulses, and